Product issues might be due to the related cable not being connected well. Therefore you could troubleshoot by confirming the condition of related cable connectors.
Display connector and throttle connector (near the handlebar)
The display connector was right plugged behind the display.
For the throttle connector, firstly you could found a cable connected to the throttle, then chasing the cable, the throttle connector could be easily found.
Sensor connector and main cable connector (inside the controller)
Open the controller, 2 connectors could be found. The thick one is the main cable connector while the thin one is the sensor cable connector.
Near the rear derailleur, the motor cable is connected to the motor. Chasing the cable, the motor cable will be found.
If there are any other questions, kindly please contact our customer support for help: firstname.lastname@example.org
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